This guide focuses on the process of securing approval for a laboratory information management system (LIMS) in a lab setting. It outlines the importance of understanding the laboratory's organizational context, which influences how to present the case for a new LIMS. The guide discusses the informatics maturity lifecycle, highlighting how laboratories at various stages of technological adoption need tailored approaches to justify their needs for a LIMS. Moreover, it covers the advantages of cloud-based LIMS solutions compared to traditional software purchases, emphasizing operational expenses over capital expenses. The document details the necessity of compiling existing performance metrics and addressing any inefficiencies within current systems. It also advises on engaging stakeholders effectively, especially in larger organizations where decision-making structures are more formalized. The guide tackles potential obstacles faced by startups and established labs, offering insights on aligning the LIMS proposal with the broader objectives of different departments within the organization.